Patents
US 10844520 B2: Polypropylene yarn having increased Young's modulus and method of making same
- Granted
- 2020-11-24
- Filed
- 2011-04-12 application 13085165
- Type
- Utility · 27 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention is directed to a monofilament, a yarn, a tape, or a staple fiber, each having 1 to 12,000 Denier per filament, a draw ratio of 2.5:1 to 25:1, and made of a polypropylene composition of a melt blended admixture of about 93% by weight of polypropylene, about 5% by weight of a polypropylene/ethylene copolymer, and about 2 wt. % of an additive. Also, a process for preparing the monofilament, yarn, tape, or staple fiber is disclosed.
Source: PVGPATDIS, file of 2026-04-10 (ipg201124.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Nicolon Corporation 18 patents | Foreign company or organization | Pendergrass, GA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| David Michael Jones | Dacula, GA | 42 | PVGPATDIS, file of 2026-04-10 | |
| Kevin Nelson King | Alto, GA | 13 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| D01F | Chemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments | D01F6/46 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L23/12 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T428/2904 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2021-07-30 | Security interest Security interest Security interest | NICOLON CORPORATION signed 2021-07-30 | BAYCLAYS BANK PLC, AS COLLATERAL AGENT NEW YORK, NY | 57038/695 | PASDL, file of 2026-10-15 |
| 2011-04-12 | Assignment Assignment of assignor's interest | JONES, DAVID MICHAEL signed 2011-04-12 KING, KEVIN NELSON signed 2011-04-12 | NICOLON CORPORATION D/B/A TENCATE GEOSYNTHETICS NORTH AMERICA PENDERGRASS, GA | 26111/46 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.